RHSA-2021:0876: Moderate: nss and nss-softokn security update
Network Security Services (NSS) is a set of libraries designed to support the cross-platform development of security-enabled client and server applications.The nss-softokn package provides the Network Security Services Softoken Cryptographic Module.Security Fix(es): nss: Use-after-free in sftkFreeSession due to improper refcounting (CVE-2019-11756) nss: Check length of inputs for cryptographic primitives (CVE-2019-17006) nss: Handling of Netscape Certificate Sequences in CERTDecodeCertPackage() may crash with a NULL deref leading to DoS (CVE-2019-17007) nss: CHACHA20-POLY1305 decryption with undersized tag leads to out-of-bounds read (CVE-2020-12403) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2021:0876?
The severity of RHSA-2021:0876 is classified as moderate.
How do I fix RHSA-2021:0876?
To fix RHSA-2021:0876, you should update the affected packages to version 3.36.0-9.el7_6 or later.
Which systems are affected by RHSA-2021:0876?
RHSA-2021:0876 affects systems running the nss and nss-softokn packages of specific versions on Red Hat Enterprise Linux.
What are the components impacted by RHSA-2021:0876?
The components impacted by RHSA-2021:0876 include nss, nss-softokn, nss-debuginfo, nss-devel, and others.
Is RHSA-2021:0876 applicable to all Red Hat systems?
RHSA-2021:0876 is specifically applicable to Red Hat Enterprise Linux 7 systems with vulnerable versions of the specified packages.